Empirical studies suggest that the contributions to growth of physical investment and total factor productivity (defined as the rate of growth of GDP that cannot be explained by capital formation or ...

Genomes sequenced from 7,000-year-old mummies in the Sahara have revealed a previously unknown population that inhabited the ...

A similar comparison of urban prices — based on data from 125 cities, including nine in Sub-Saharan Africa ... the growth of Africa’s urban populations will propel new demand for infrastructure, ...